Answer:
The timing of the implementation of his administrative policies was very wrong. For example, he raised land taxes in the Doab region to fifty percent of the produce at the time when the area was under the grip of famine. People were unable to make payments, which led to a revolt.
He transferred his capital from Delhi to Daulatabad (as the latter was centrally located) to control the south and north India. But later, he realised that it was difficult to manage the northern part of his kingdom from Daulatabad, a city located in the extreme south.
Muhammad Tughlaq introduced token currency called tanka, but this experiment proved to be a big failure. Over the time, the silver currency was replaced by forged homemade coins. This resulted into a monetary loss.